Home / 28,261.48-42,399.90-9,794.92

Finding the Fourth Proportional to 28,261.48, 42,399.90 and 9,794.92

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Solution

The fourth proportional to 28,261.48, 42,399.90 and 9,794.92 is: 14,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,261.48 : 42,399.90 = 9,794.92 : x
  2. Step 2: Convert to fraction form
    28,261.48/42,399.90 = 9,794.92/x
  3. Step 3: Cross multiply
    28,261.48x = 42,399.90 × 9,794.92
  4. Step 4: Simplify right side
    28,261.48x = 415,303,628.51
  5. Step 5: Solve for x
    x = 415,303,628.51/28,261.48
  6. Step 6: Final answer
    x = 14,695.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.